Siemens SIMATIC S7-1200 Function Manual page 390

Instructions
9.3 PID_Temp
Parameter Data type
Reset BOOL
ModeActi- BOOL
vate
390
Default Description
FALSE Restarts the controller.
FALSE -> TRUE edge
•
– Switch to "Inactive" mode
– ErrorBits and Warning are reset.
As long as Reset = TRUE,
•
– PID_Temp remains in "Inactive" mode (State = 0).
– you cannot change the operating mode with Mode and ModeActivate
or ManualEnable
– You cannot use the commissioning dialog.
TRUE -> FALSE edge
•
– If ManualEnable = FALSE, PID_Temp switches to the operating mode
that is saved in Mode.
– If Mode = 3 (automatic mode), the integral action is treated as config-
ured with the tag IntegralResetMode.
FALSE
FALSE -> TRUE edge
•
PID_Temp switches to the operating mode that is saved at the Mode in-
put.
Function Manual, 03/2017, A5E35300227-AC
PID control